Answer:
8
Step-by-step explanation:
We have been given an expression [tex]8x^2+1[/tex]. We are asked to find the coefficient in the given expression.
We know that coefficient is a numerical or constant quantity that is multiplied by the variable in an algebraic expression.
We can see that for our given expression [tex]x^2[/tex] is a variable and it is multiplied by 8, therefore, the coefficient of our given expression is 8.